Tuatara: Volume 21, Issues 1 and 2 (New Zealand Albatrosses and Petrels: an Identification Guide)
The Cauta Mollymawks — (Diomedea cauta)
The Cauta Mollymawks
(Diomedea cauta)
Three subspecies:
White-capped Mollymawk (D. cauta cauta)
Salvin's Mollymawk (D. cauta salvini)
Chatham Island Mollymawk (D. cauta eremita)
page 20The three subspecies represent the largest of the mollymawks. They are readily distinguishable from each other at sea. Their field characters are described below under separate headings.